SEC Form 4 · accession 0001209191-15-070517
bluebird bio, Inc. · BLUE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jeffrey T. Walsh
Officer — Chief Operating Officer
Period of report
Sep 10, 2015
Accepted (ET)
Sep 14, 2015 · 4:08 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001293971
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 10, 2015 | M | 11,000 | $5.5004 | A | 11,000 | D | |
| Common StockF2 | Sep 10, 2015 | S | 824 | $128.1138 | D | 10,176 | D | |
| Common StockF3 | Sep 10, 2015 | S | 7,624 | $129.9706 | D | 2,552 | D | |
| Common StockF4 | Sep 10, 2015 | S | 2,552 | $130.7919 | D | 0 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F5 | $5.5004 | Sep 10, 2015 | M | 11,000 | D | — | Jan 16, 2023 | Common Stock | 11,000 | 92,151 | D |
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 26, 2014.
- F2The range of prices for the transaction reported on this line was $128.00 to $128.58. The average weighted price was $128.1138. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F3The range of prices for the transaction reported on this line was $129.50 to $130.50. The average weighted price was $129.9706. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F4The range of prices for the transaction reported on this line was $130.52 to $131.42. The average weighted price was $130.7919. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
- F5This option to purchase shares of our common stock was granted on January 16, 2013 with performance-based vesting criteria that were met as of January 1, 2013. The shares underlying these options vested as follows: 25% vested on January 1, 2014, with the remainder of the shares vesting in equal monthly installments over the following three years.